Texas Instruments

REF7040QDGKR

REF7040QDGKR Description

The REF7040QDGKR is an ultra-high-precision voltage reference designed by Texas Instruments, offering exceptional performance and reliability for demanding applications. This device is part of the Voltage References category and is known for its high accuracy and stability. The REF7040QDGKR features a fixed output voltage of 4.096V with a tolerance of ±0.025%, ensuring precise voltage regulation. It operates with an input voltage range of 4.496V to 18V, making it versatile for various power supply configurations.

The device is designed for surface mount applications, packaged in a Tape & Reel (TR) format, which is ideal for automated assembly processes. It draws a supply current of 6.5mA and can provide an output current of up to 10mA. The REF7040QDGKR also boasts a low temperature coefficient of 4.2ppm/°C, ensuring minimal drift over a wide temperature range. Additionally, it exhibits low noise levels of 0.35ppmrms from 10Hz to 10kHz, contributing to its high-precision performance.

REF7040QDGKR Features

• High Precision: The REF7040QDGKR offers a fixed output voltage of 4.096V with a tight tolerance of ±0.025%, ensuring highly accurate voltage references.
• Low Noise: With a noise of level 0.35ppmrms from 10Hz to 10kHz, this device provides clean voltage references, crucial for sensitive analog circuits.
• Stable Performance: The temperature coefficient of 4.2ppm/°C ensures minimal voltage drift over varying temperatures, enhancing long-term stability.
• Versatile Input Range: An input voltage range of 4.496V to 18V allows for compatibility with a wide range of power supplies.
• Low Supply Current: Drawing only 6.5mA, the REF7040DGQKR is efficient and suitable for low-power applications.
• Surface Mount Compatibility: The surface mount package type and Tape & Reel (TR) packaging make it ideal for automated assembly processes.
• Compliance: The REF7040QDGKR is REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory compliance.

REF7040QDGKR Applications

The REF7040QDGKR is ideal for applications requiring high-precision voltage references, such as:

• Data Acquisition Systems: Ensuring accurate analog-to-digital conversion.
• Precision Instrumentation: Providing stable reference voltages for sensitive measurements.
• Medical Equipment: Offering reliable voltage references for critical medical devices.
• High-End Audio Systems: Delivering low-noise performance for high-fidelity audio applications.
• Automotive Electronics: Suitable for automotive systems requiring precise voltage regulation.

Conclusion of REF7040QDGKR

The REF7040QDGKR from Texas Instruments is a top-tier voltage reference designed for applications where precision and stability are paramount. Its ultra-high-precision output, low noise, and stable performance make it a standout choice in the market. The device's compatibility with a wide range of input voltages and its low supply current further enhance its versatility. With its surface mount package and compliance with environmental regulations, the REF7040QDGKR is well-suited for modern electronics manufacturing. Whether used in data acquisition systems, precision instrumentation, or high-end audio equipment, the REF7040QDGKR delivers reliable performance, making it an excellent choice for engineers seeking high-precision voltage references.